CN116959800B - Anti-wind-resistance tensile overhead insulated conductor - Google Patents
Anti-wind-resistance tensile overhead insulated conductor Download PDFInfo
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- CN116959800B CN116959800B CN202311218218.XA CN202311218218A CN116959800B CN 116959800 B CN116959800 B CN 116959800B CN 202311218218 A CN202311218218 A CN 202311218218A CN 116959800 B CN116959800 B CN 116959800B
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- 239000004020 conductor Substances 0.000 title claims description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 62
- 238000003825 pressing Methods 0.000 claims description 22
- 239000003063 flame retardant Substances 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/008—Power cables for overhead application
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses an overhead insulated wire resistant to wind resistance and tension, which relates to the technical field of cables and comprises an inner core, wherein an outer wind resistance layer is wrapped outside the inner core, the outer wind resistance layer comprises an outer waterproof layer, the outer waterproof layer is wrapped outside the inner core, extrusion strips are arranged at equal angles on the outer side of the outer waterproof layer, indication strips are symmetrically embedded in the outer end faces of the extrusion strips, supporting blocks are arranged at equal angles on the inner side of the outer waterproof layer, and a buffer cavity is formed in the inner side of each supporting block.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an overhead insulated wire with wind resistance and tension resistance.
Background
The overhead insulated cable is an overhead wire provided with an insulating layer and a protective sheath, adopts a special cable similar to the production process of a crosslinked cable, is a new transmission mode between the overhead wire and an underground cable, is single-core and can be divided into a hard aluminum wire structure, a hard-drawn copper wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core grain structure and the like according to different structures, and has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like;
however, the overhead insulated conductor used in the current power system is easily affected by strong wind in the outdoor environment, and the cable is stretched and sagged due to wind resistance and is cracked and damaged for a long time.
Disclosure of Invention
The invention provides an air resistance tension-resistant overhead insulated wire, which can effectively solve the problems that the overhead insulated wire used in the current power system is easily influenced by strong wind in an outdoor environment, and the cable is stretched and sagged due to the wind resistance, so that the cable is cracked and damaged for a long time.
In order to achieve the above purpose, the present invention provides the following technical solutions: an overhead insulated conductor resistant to wind resistance and tensile force comprises an inner core, wherein an outer wind resistance layer is wrapped outside the inner core;
the outer wind resistance layer comprises an outer waterproof layer;
the outer side of the inner core is wrapped with an outer waterproof layer, extrusion strips are arranged at equal angles on the outer side of the outer waterproof layer, and indication strips are symmetrically embedded in the outer side end faces of the extrusion strips;
the inner side of the outer waterproof layer is provided with supporting blocks at equal angles, the inner side of each supporting block is provided with a buffer cavity, and the inner sides of the buffer cavities are provided with spacing blocks at equal intervals;
buffer grooves are symmetrically formed in the outer sides of the supporting blocks;
an extrusion cavity is reserved between the inner side of the outer waterproof layer and the two corresponding supporting blocks, an inner supporting layer is arranged on the inner side of the outer waterproof layer, a clamping strip is arranged on the inner side of the outer waterproof layer and corresponds to the position of the extrusion cavity, a clamping groove is formed in the middle of the clamping strip, a clamping hole is formed in one side of the clamping strip, and guide inclined planes are symmetrically formed in two sides of the clamping hole;
an edge pulling strip is connected between the clamping strip and the supporting block, a position fixing strip is connected between the clamping strip and the inner supporting layer, a clamping strip is arranged at the position, corresponding to the clamping strip, of the outer side of the inner supporting layer, and a limiting clamping strip is arranged at the outer side of the clamping strip;
and the outer side of the limiting clamping strip is provided with a matched bevel noodle.
According to the technical scheme, the middle part of the extrusion strip is outwards protruded, and the indication strips are symmetrically arranged on two sides of the middle part of the extrusion strip.
According to the technical scheme, one side end face of the supporting block is attached to the outer side end face of the inner supporting layer;
the buffer groove on the supporting block is arranged at the end face position close to the inner supporting layer.
According to the technical scheme, the clamping groove is communicated with the clamping hole, and the position fixing strip is of an arc-shaped structure.
According to the technical scheme, the four supporting blocks are arranged, the four extrusion chambers are arranged, and the extrusion strips are arranged at the positions, corresponding to the extrusion chambers, of the outer sides of the outer waterproof layers.
According to the technical scheme, the supporting blocks are arranged in pairs, and one pair of the supporting blocks is clamped with the corresponding limiting clamping strip.
According to the technical scheme, an inner reinforcing layer is arranged between the inner supporting layer and the inner core;
the inner reinforcement layer comprises outer wavy strips;
the inner side of the inner supporting layer is provided with an outer wave strip corresponding to the outer side of the inner core, and an outer fixing arc groove is formed in the inner side of the inner supporting layer corresponding to the position between the two groups of outer wave strips;
an outer pressing arc strip is arranged on the inner side of the outer fixing arc groove, an outer fixing layer is arranged on the inner side of the outer pressing arc strip, an inner pressing arc strip is clamped on the inner side of the outer fixing layer, an inner fixing layer is arranged on the inner side of the inner pressing arc strip, a wrapping layer is wrapped on the outer side of the inner core, and a convex wave strip is arranged on the outer side of the wrapping layer;
the fire-retardant filler is filled between the outer solid layer and the inner solid layer, wavy folds are pressed at the positions of the outer solid layer and the inner solid layer corresponding to the fire-retardant filler, a fixing hole is formed in the middle of the wrapping layer, and reinforcing wires are embedded in the fixing hole;
a supporting plate is connected between the adjacent internal pressure arc strips, a supporting cavity is formed in the inner side of the supporting plate, and a plurality of supporting strips are fixed in the supporting cavity.
According to the technical scheme, the wavy fold positions of the inner fixing layer are clamped with the raised wavy strip positions of the wrapping layer;
the wave folds of the outer fixing layer are clamped with the outer wave strips.
According to the technical scheme, the outer pressure arc strip and the inner pressure arc strip are both clamped at the positions corresponding to the extrusion chamber on the inner side of the inner supporting layer.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up outer anti-wind resistance layer, outer waterproof layer, extrusion strip, the instruction strip, the supporting shoe, the dashpot, the extrusion cavity, interior supporting layer, the joint strip, the joint groove, the joint hole, guide inclined plane, the limit portion pulls the strip, the fixed position strip, the bayonet socket strip, spacing joint strip, cooperation diagonal strip, with the extrusion in the middle of the aerial insulated wire of a pair of extrusion strip of aerial insulated wire vertical direction, the joint strip moves to spacing joint strip position, the guide inclined plane of joint hole both sides earlier with cooperation diagonal strip top contact, push the expansion to the joint hole, the limit portion pulls the strip and also can pull the joint strip and make the joint hole open, make the equal joint of cooperation diagonal strip and spacing joint inslot of joint strip, in the extrusion, the supporting shoe moves to both sides, the extrusion dashpot, the pulling limit portion pulls the strip, the fixed position strip is crooked folding, the outside waterproof layer position of extrusion position both sides outwards is protruding, the fixed position strip of both sides is taut, thereby form oval structure, reduce the influence of wind resistance to aerial insulated wire, it is easy to reduce to blow to the insulated wire, outdoor service life is not damaged to blow the aerial insulated wire to stretch the insulated wire, outdoor service life is prolonged.
2. Through setting up outer arc strip, interior arc strip and reinforcement wire, consolidate overhead insulated wire inside to position between adjacent interior arc strip sets up outer wave strip, protruding wave strip, fire-retardant filler, wave fold, backing sheet and support bar, can be spacing to interior arc strip, and the structure setting of wave fold, increase crooked degree of difficulty, when the overhead insulated wire of blowing, overhead insulated wire crooked degree reduces, makes overhead insulated wire be difficult for the fracture damage, better protection overhead insulated wire inner core.
3. Through the fire-retardant filler in the arc strip and the wave fold of crisscross setting, make the structure outside the inner core different, when being heated and expanded, can extrude wave fold position, during the precooling shrink, also can shrink wave fold position, when the spontaneous combustion condition appears at the inner core, the higher wave fold position of line impact elasticity carries out fire-retardant through releasing fire-retardant filler, and blocks through interior arc strip and backing sheet, can block to reduce the area that spontaneous combustion spread, better protection inner core and overhead insulated wire.
To sum up, through extruding the aerial insulated conductor outside of outdoor part, can make aerial insulated conductor inside joint strip and spacing card strip card and, thereby make aerial insulated conductor have circular tubular construction to form flat oval structure, wind blows through from aerial insulated conductor one side, oval structure can reduce the windage, and after constantly blowing, can continue extrusion aerial insulated conductor, make oval structure to water droplet shape structure deformation, reduce the windage influence, thereby make aerial insulated conductor receive the pulling condition of windage influence to reduce, the inside protruding wavy strip of aerial insulated conductor and the setting of wavy fold increase crooked degree of difficulty, the outside extrusion force of dispersion, better protection aerial insulated conductor inner core.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic view of the structure of the outer wind resistance layer of the present invention;
FIG. 4 is an enlarged schematic view of the area A of FIG. 3 according to the present invention;
FIG. 5 is a cross-sectional view of a support block of the present invention;
FIG. 6 is a schematic plan view of an outer pressure arc strip of the present invention;
FIG. 7 is a schematic view of the structure of the wave pleat of the present invention;
FIG. 8 is a schematic view of the position of the support sheet of the present invention;
FIG. 9 is a schematic view of the construction of the support bar of the present invention;
FIG. 10 is a schematic cross-sectional view of an overhead insulated conductor prior to extrusion of the clip and stop clip of the present invention;
FIG. 11 is a schematic cross-sectional view of an overhead insulated conductor after extrusion of the clip and stop clip of the present invention;
FIG. 12 is a schematic view of the windage of a cross section of an overhead insulated conductor of the present invention prior to extrusion;
FIG. 13 is a schematic view of the wind resistance of the extruded section of the overhead insulated conductor of the present invention;
fig. 14 is a cross-sectional view of an overhead insulated conductor of the present invention before being deformed by blowing;
fig. 15 is a cross-sectional view of an overhead insulated conductor of the present invention after being deformed by blowing;
reference numerals in the drawings: 1. an inner core;
2. an outer wind resistance layer; 201. an outer waterproof layer; 202. extruding the strip; 203. an indicator bar; 204. a support block; 205. a buffer chamber; 206. a spacer block; 207. a buffer tank; 208. an extrusion chamber; 209. an inner support layer; 210. a clamping strip; 211. a clamping groove; 212. a clamping hole; 213. a guide slope; 214. the edge part pulls the strip; 215. a position fixing strip; 216. clamping strips; 217. limiting clamping strips; 218. matching with the diagonal noodles;
3. an inner reinforcing layer; 301. an outer wavy strip; 302. an outer fixed arc groove; 303. an outer pressing arc strip; 304. an outer solid layer; 305. internal pressure arc strip; 306. an inner solid layer; 307. a wrapping layer; 308. protruding wave strips; 309. flame retardant filler; 310. wave wrinkling; 311. a fixing hole; 312. reinforcing wires; 313. a support sheet; 314. a support chamber; 315. and (5) supporting bars.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-5, the invention provides a technical scheme, namely an overhead insulated wire resistant to wind resistance and tension, which comprises an inner core 1, wherein an outer wind resistance layer 2 is wrapped outside the inner core 1;
the outer wind resistance layer 2 comprises an outer waterproof layer 201, an extrusion strip 202, an indication strip 203, a supporting block 204, a buffer chamber 205, a spacer block 206, a buffer groove 207, an extrusion chamber 208, an inner supporting layer 209, a clamping strip 210, a clamping groove 211, a clamping hole 212, a guiding inclined plane 213, an edge pulling strip 214, a position fixing strip 215, a bayonet strip 216, a limiting clamping strip 217 and a matching inclined plane 218;
the outer waterproof layer 201 is wrapped outside the inner core 1, the extrusion strips 202 are arranged at equal angles on the outer side of the outer waterproof layer 201, the indication strips 203 are symmetrically embedded in the outer side end faces of the extrusion strips 202, the middle of the extrusion strips 202 are outwards protruded, the indication strips 203 are symmetrically arranged on two sides of the middle of the extrusion strips 202, the extrusion of cables is facilitated, the supporting blocks 204 are arranged at equal angles on the inner side of the outer waterproof layer 201, the buffer cavities 205 are formed in the inner side of the supporting blocks 204, the spacer blocks 206 are equidistantly arranged on the inner side of the buffer cavities 205, and the buffer grooves 207 are symmetrically formed in the outer side of the supporting blocks 204;
an extrusion chamber 208 is reserved between the two corresponding support blocks 204 on the inner side of the outer waterproof layer 201, four extrusion chambers 208 are arranged on the four support blocks 204, extrusion strips 202 are arranged at the positions, corresponding to the extrusion chambers 208, on the outer side of the outer waterproof layer 201, of the extrusion strips, so that cables are conveniently extruded to form an elliptical structure, an inner support layer 209 is arranged on the inner side of the outer waterproof layer 201, one side end surface of the support block 204 is attached to the outer side end surface of the inner support layer 209, a buffer groove 207 on the support block 204 is arranged at the position close to the end surface of the inner support layer 209, the attachment connection of the support block 204 and the inner support layer 209 is facilitated, the extrusion of the cables is facilitated to be in an elliptical structure, clamping strips 210 are arranged at the positions, corresponding to the extrusion chambers 208, clamping grooves 211 are formed in the middle of the clamping strips 210, clamping holes 212 are formed in one side of the clamping strips 210, the guide inclined planes 213 are symmetrically arranged on two sides of the clamping holes 212, edge pulling strips 214 are connected between the clamping strips 210 and the supporting blocks 204, position fixing strips 215 are connected between the clamping strips 210 and the inner supporting layer 209, the clamping grooves 211 are communicated with the clamping holes 212, the position fixing strips 215 are of arc structures, the inner supporting layer 209 and the clamping strips 210 are conveniently connected, clamping strips 216 are arranged at positions, corresponding to the clamping strips 210, on the outer side of the inner supporting layer 209, limiting clamping strips 217 are arranged on the outer side of the clamping strips 216, the supporting blocks 204 are arranged in pairs, a pair of supporting blocks 204 are clamped with the corresponding limiting clamping strips 217 through extrusion strips 202 on the outer side of the supporting blocks, the outer waterproof layer 201 of the cable is of an oval structure, accordingly influence of wind resistance on the cable is reduced, and matching inclined strips 218 are arranged on the outer side of the limiting clamping strips 217.
As shown in fig. 6 to 9, an inner reinforcing layer 3 is installed between the inner support layer 209 and the inner core 1;
the inner reinforcement layer 3 comprises an outer wavy strip 301, an outer fixing arc groove 302, an outer pressing arc strip 303, an outer fixing layer 304, an inner pressing arc strip 305, an inner fixing layer 306, a wrapping layer 307, a raised wavy strip 308, flame retardant filler 309, wavy folds 310, fixing holes 311, reinforcing wires 312, supporting sheets 313, supporting cavities 314 and supporting strips 315;
the inner side of the inner supporting layer 209 is provided with an outer wavy strip 301 corresponding to the outer side of the inner core 1, and an outer fixing arc groove 302 is formed in the inner side of the inner supporting layer 209 corresponding to the position between the two groups of outer wavy strips 301;
the outer fixed arc groove 302 is internally provided with the outer pressing arc strip 303, the inner side of the outer pressing arc strip 303 is provided with the outer fixed layer 304, the inner side of the outer fixed layer 304 is clamped with the inner pressing arc strip 305, the outer pressing arc strip 303 and the inner pressing arc strip 305 are clamped with the positions of the inner supporting layer 209 corresponding to the extrusion cavity 208, the inner side of the inner pressing arc strip 305 is provided with the inner fixed layer 306, the outer side of the inner core 1 is wrapped with the wrapping layer 307, the outer side of the wrapping layer 307 is provided with the raised wave strip 308, flame retardant filler 309 is filled between the outer fixed layer 304 and the inner fixed layer 306, the flame retardant filler 309 is magnesium hydroxide, the positions of the outer fixed layer 304 and the inner fixed layer 306 corresponding to the flame retardant filler 309 are pressed with wave folds 310, the positions of the wave folds 310 of the inner fixed layer 306 are clamped with the raised wave strip 308 of the wrapping layer 307, the wave folds 310 of the outer fixed layer 304 are clamped with the outer wave strip 301, the middle of the wrapping layer 307 is provided with the fixing holes 311, the fixing holes 311 are internally embedded and provided with the reinforcing wires 312, the supporting pieces 313 are connected between the adjacent inner pressing arc strips 305, and the inner sides of the supporting pieces 313 are provided with supporting cavities 314, and the supporting cavities 314 are internally fixed with supporting bars 315.
The working principle and the using flow of the invention are as follows: when the overhead insulated conductor is used outdoors, firstly, the overhead insulated conductor is smoothed out, then a pair of extrusion strips 202 in the vertical direction are extruded to the middle position of the overhead insulated conductor, the extrusion positions are the positions between two indication strips 203 on the extrusion strips 202, during the extrusion process, the clamping strips 210 move to the positions of the limiting clamping strips 217, the guide inclined planes 213 on two sides of the clamping holes 212 are firstly contacted with the tops of the matching inclined strips 218, the clamping holes 212 are extruded and spread, the clamping strips 210 are also pulled by the edge pulling strips 214 to open the clamping holes 212, and the matching inclined strips 218 and the limiting clamping strips 217 are clamped into the clamping grooves 211 of the clamping strips 210, so that the extrusion results are shown in fig. 10 and 11;
in the process of extrusion clamping, the supporting blocks 204 are extruded to move towards two sides of an extrusion position, the buffer grooves 207 are extruded, the edge pulling strips 214 are pulled, the position fixing strips 215 are bent and folded, the positions of the outer waterproof layers 201 at two sides of the extrusion position are outwards protruded, the position fixing strips 215 at two sides are tensioned, so that an oval structure is formed, the influence of wind resistance on the overhead insulated conductor is reduced, the blowing pulling force on the overhead insulated conductor is reduced in windy weather, the overhead insulated conductor is not easy to pull and damage, the outdoor service life of the overhead insulated conductor is prolonged, and wind resistance is shown in fig. 12 and 13;
in the continuous wind blowing process, the windward side of the overhead insulated wire is extruded continuously by wind resistance, and the overhead insulated wire is deformed in a drop shape with smaller wind resistance, so that the influence of wind resistance is resisted, and the specific deformation condition is shown in fig. 14 and 15;
the inner reinforcing layer 3 inside the overhead insulated wire is internally provided with the outer wavy strip 301, the raised wavy strip 308 and the wavy fold 310 to reinforce the inside, when the overhead insulated wire is blown by external wind, due to the wavy structure, the wavy structure is tightly attached, and the tensile force of deformation of the overhead insulated wire can be dispersed and separated during blowing, so that the bending degree of the overhead insulated wire is reduced, the overhead insulated wire is not easy to bend and crack, the outer pressing arc strip 303 and the inner pressing arc strip 305 are arranged at the positions corresponding to the extrusion cavity 208 to protect the inner core 1, and in the extrusion process, the outer pressing arc strip 303 and the inner pressing arc strip 305 respectively extrude the wavy structure to two sides, so that the inner core 1 of the overhead insulated wire is not directly extruded, and the inner core 1 of the overhead insulated wire is protected;
meanwhile, the supporting pieces 313 are arranged between the adjacent inner pressure arc strips 305, so that two sides of the inner pressure arc strips 305 can be limited and supported, two sides of the inner pressure arc strips 305 can be limited in the extrusion and use processes, the displacement phenomenon of the inner pressure arc strips is reduced, when the inner core 1 is in short circuit spontaneous combustion in use, the positions of the raised wavy strips 308, the wavy folds 310 and the outer wavy strips 301 between the inner pressure arc strips 305 can be impacted outwards, and flame retardant filler 309 is utilized to retard flame at the spontaneous combustion position.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An anti-wind resistance pulling force's overhead insulated wire, its characterized in that: the wind-resistant and wind-resistant composite material comprises an inner core (1), wherein an outer wind-resistant layer (2) is wrapped outside the inner core (1);
the outer wind resistance layer (2) comprises an outer waterproof layer (201);
an outer waterproof layer (201) is wrapped outside the inner core (1), extrusion strips (202) are arranged at equal angles on the outer side of the outer waterproof layer (201), and indication strips (203) are symmetrically embedded in the outer side end faces of the extrusion strips (202);
the inner side of the outer waterproof layer (201) is provided with supporting blocks (204) at equal angles, the inner side of each supporting block (204) is provided with a buffer cavity (205), and the inner side of each buffer cavity (205) is provided with spacing blocks (206) at equal intervals;
buffer grooves (207) are symmetrically formed in the outer side of the supporting block (204);
an extrusion cavity (208) is reserved between two corresponding support blocks (204) on the inner side of the outer waterproof layer (201), an inner support layer (209) is arranged on the inner side of the outer waterproof layer (201), a clamping strip (210) is arranged on the inner side of the outer waterproof layer (201) corresponding to the extrusion cavity (208), a clamping groove (211) is formed in the middle of the clamping strip (210), a clamping hole (212) is formed in one side of the clamping strip (210), and guide inclined planes (213) are symmetrically formed in two sides of the clamping hole (212);
an edge pulling strip (214) is connected between the clamping strip (210) and the supporting block (204), a position fixing strip (215) is connected between the clamping strip (210) and the inner supporting layer (209), a clamping strip (216) is arranged at the position, corresponding to the clamping strip (210), of the outer side of the inner supporting layer (209), and a limiting clamping strip (217) is arranged at the outer side of the clamping strip (216);
and the outer side of the limiting clamping strip (217) is provided with a matched bevel strip (218).
2. An anti-wind-drag overhead insulated conductor according to claim 1, wherein the middle part of the extrusion strip (202) is protruded outwards, and the indication strips (203) are symmetrically arranged at two sides of the protrusion of the middle part of the extrusion strip (202).
3. The wind resistance and tension resistant overhead insulated conductor according to claim 1, wherein one side end surface of the supporting block (204) is attached to the outer side end surface of the inner supporting layer (209);
the buffer groove (207) on the supporting block (204) is arranged at the end surface position close to the inner supporting layer (209).
4. The overhead insulated conductor of claim 1, wherein the clamping groove (211) is communicated with the clamping hole (212), and the position fixing strip (215) is of an arc structure.
5. The overhead insulated conductor with wind resistance and tension resistance according to claim 1, wherein four supporting blocks (204) are installed, four extrusion chambers (208) are provided, and the extrusion strips (202) are installed at positions corresponding to the extrusion chambers (208) on the outer side of the outer waterproof layer (201).
6. The overhead insulated conductor of claim 1, wherein the support blocks (204) are arranged in pairs, wherein a pair of support blocks (204) are engaged with corresponding limit stops (217).
7. An air-resistant tension-resistant overhead insulated conductor according to claim 1, characterized in that an inner reinforcing layer (3) is installed between the inner support layer (209) and the inner core (1);
the inner reinforcement layer (3) comprises an outer wavy strip (301);
an outer wavy strip (301) is arranged at the position, corresponding to the outer side of the inner core (1), of the inner side of the inner supporting layer (209), and an outer fixing arc groove (302) is formed at the position, corresponding to the position between the two groups of outer wavy strips (301), of the inner side of the inner supporting layer (209);
an outer pressing arc strip (303) is arranged on the inner side of the outer fixing arc groove (302), an outer fixing layer (304) is arranged on the inner side of the outer pressing arc strip (303), an inner pressing arc strip (305) is clamped on the inner side of the outer fixing layer (304), an inner fixing layer (306) is arranged on the inner side of the inner pressing arc strip (305), a wrapping layer (307) is wrapped on the outer side of the inner core (1), and a convex wave strip (308) is arranged on the outer side of the wrapping layer (307);
a flame-retardant filler (309) is filled between the outer solid layer (304) and the inner solid layer (306), wavy folds (310) are pressed at positions of the outer solid layer (304) and the inner solid layer (306) corresponding to the flame-retardant filler (309), a fixing hole (311) is formed in the middle of the wrapping layer (307), and reinforcing wires (312) are embedded in the fixing hole (311);
a supporting plate (313) is connected between the inner pressure arc strips (305) adjacent to each other, a supporting cavity (314) is formed in the inner side of the supporting plate (313), and a plurality of supporting strips (315) are fixed in the supporting cavity (314).
8. An anti-wind tension overhead insulated conductor according to claim 7, wherein the wavy folds (310) of the inner solid layer (306) are clamped with the raised wavy strips (308) of the wrapping layer (307);
the wave folds (310) of the outer fixing layer (304) are clamped with the outer wave strips (301).
9. The overhead insulated conductor of claim 7, wherein the outer pressure arc strip (303) and the inner pressure arc strip (305) are clamped at positions corresponding to the extrusion chambers (208) on the inner side of the inner supporting layer (209).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311218218.XA CN116959800B (en) | 2023-09-21 | 2023-09-21 | Anti-wind-resistance tensile overhead insulated conductor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311218218.XA CN116959800B (en) | 2023-09-21 | 2023-09-21 | Anti-wind-resistance tensile overhead insulated conductor |
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| CN116959800B true CN116959800B (en) | 2023-11-21 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6353177B1 (en) * | 1993-10-08 | 2002-03-05 | Nexans Canada Inc. | Vibration resistant overhead electrical cable |
| CN106024182A (en) * | 2016-07-01 | 2016-10-12 | 江苏珠影特种电缆有限公司 | Improved flame-retardant overhead insulating cable |
| CN113808787A (en) * | 2021-08-30 | 2021-12-17 | 任世强 | High single core aerial insulated cable |
| CN217902757U (en) * | 2022-06-09 | 2022-11-25 | 漯河汇力电缆有限公司 | Wind-resistant overhead insulated conductor |
-
2023
- 2023-09-21 CN CN202311218218.XA patent/CN116959800B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6353177B1 (en) * | 1993-10-08 | 2002-03-05 | Nexans Canada Inc. | Vibration resistant overhead electrical cable |
| CN106024182A (en) * | 2016-07-01 | 2016-10-12 | 江苏珠影特种电缆有限公司 | Improved flame-retardant overhead insulating cable |
| CN113808787A (en) * | 2021-08-30 | 2021-12-17 | 任世强 | High single core aerial insulated cable |
| CN217902757U (en) * | 2022-06-09 | 2022-11-25 | 漯河汇力电缆有限公司 | Wind-resistant overhead insulated conductor |
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| Publication number | Publication date |
|---|---|
| CN116959800A (en) | 2023-10-27 |
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